The passage below has gaps. Immediately following each gap, four options are provided. Choose the most appropriate option for each gap.

The Security ...6... (A. Unit B. Council C. Department D. Committee) has a primary responsibility, under the UN Charter, for the maintenance of international ...7... (A. relation B. affairs C. peace D. relationship) and ...8... (A. safety B. unity C. security D. progress). It has fifteen ...9... (A. member B. personnel C. members D. states)—five permanent and ten non-permanent. Each Member has one ...10... (A. assent B. vote C. consent D. voice). Under the ...11... (A. charter B. league C. unit D. directorate), all Member States are obligated to comply with Council decisions. The Security Council takes the lead in determining the existence of a ...12... (A. threat B. agitation C. violence D. fear) to the peace or act of aggression. It calls upon the ...13... (A. people B. states C. entity D. parties) to a dispute to settle it by peaceful means and recommends methods of adjustment or terms of ...14... (A. settlement B. agreement C. consent D. condition). In some cases, the Security Council can resort to imposing ...15... (A. rules B. sanctions C. order D. discipline) or even authorise the use of force to maintain or restore international peace and security. The Security Council has a Presidency, which rotates and changes, every month.